<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        .tab ul {
          overflow: hidden;
          padding: 0;
          margin: 0;
        }
        .tab ul li {
          box-sizing: border-box;
          padding: 0;
          float: left;
          width: 100px;
          height: 45px;
          line-height: 45px;
          list-style: none;
          text-align: center;
          border-top: 1px solid blue;
          border-right: 1px solid blue;
        }
        .tab ul li:first-child {
      border-left: 1px solid blue;
    }
        .tab ul li.active {
          background-color: orange;
        }
        .tab div {
          width: 500px;
          height: 300px;
          display: none;
          text-align: center;
          font-size: 30px;
          line-height: 300px;
          border: 1px solid blue;
          border-top: 0px;
        }
        .tab div.current {
          display: block;
        }
      </style>
</head>
<body>
    <div id="app">
        <div class="tab">
            <ul>
                <li :class="{active:curr==i}" v-for="itme,i in list" @click="clos(i)">{{itme.title}}</li>
            </ul>
            <img :src="list[curr].path" width="400px" height="300px">
        </div>
    </div>
    <script src="/js/js/vue.js"></script>
    <script>

        var vm = new Vue({
            el: '#app',
            data: {
                curr:0,
                list:[
                    {id:1,title:'apple',path:'/image/wallhaven-1pwq23_2560x1600.png'},
                    {id:2,title:'orange',path:'/image/wallhaven-85po71_2560x1600.png'},
                    {id:3,title:'lemon',path:'/image/wallhaven-exrj5r_2560x1600.png'}
                ]
            },
            methods: {
                clos(i){
                    this.curr = i;
                }
            }
        })
    </script>
</body>
</html>
